RAD Studio (Common)
Extension Point (UML 1.5)

An extension point refers to a location within a use case where you can insert action sequences from other use cases.  

An extension point consists of a unique name within a use case and a description of the location within the behavior of the use case.  

In a use case diagram, extension points are listed in the use case with the heading "Extension Points" (appears as bold text in the Diagram View).

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